Another exciting addition to Converse.js 6.0.0 is support for message retraction (i.e. removal) by the author (XEP-0424) or by a groupchat admin (XEP-0425).
These are brand new XEPs that I helped author and I'm not aware of other #xmpp clients which already support them. Hopefully they will do so soon.
@0 Yes, probably just an "edit" hack.
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